New Confederate Ships 1910/1911

Started by Carthaginian, January 09, 2008, 09:22:37 PM

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Ithekro

Scouting and destroyer, do not belong as the same task.  Typical little destroyers don't generally have the endurance or spotting abilities of a cruiser.  Thus the cruiser will likely spot the destroyer first and then move to dispatch it before the destroyer is aware of the danger, and thus not be at full speed when the cruiser comes at it as flank.  Destroyer screens may fuction, but not as a dedicated scouting element, at least not without a vessel to coordinate them effectively (such as a light cruiser).  Once the starndard destroyers are around the size of the current light cruisers, then they can perform scouting missions like their World War II counterparts.

Basically these ships shouldn't be all that far away from the battleline if they are doing perimeter defense, as the perimeter shouldn't be all that far away from the battleships.  The scouting element of this task does not suit a destroyer in this age.  While todays fleets have them in just that task, todays destroyers are as large as heavy cruisers.

Sachmle

I then to agree w/ Ithekro. High speed is nice for dash attacks and to close quickly to launch torpedos, but destroyers really aren't stand alone scout vessels.  Being able to outrun a cruiser isn't really necessary.  If you're trying to torp a battleline, you're trying to torp the BBs, which aren't anywhere near 29kts, yet. If the cruisers are faster then you, they can run away, or try and get between you and the BBs, which will then lead to the cruisers being torpedoed. Now the cruisers are out of the way, so you can launch a second spread, or send in the heavy hitters.
"All treaties between great states cease to be binding when they come in conflict with the struggle for existence."
Otto von Bismarck

"Give me a woman who loves beer and I will conquer the world."
Kaiser Wilhelm

"If stupidity were painfull I would be deaf from all the screaming." Sam A. Grim

Carthaginian

#32
A very Confederate Battle Cruiser... ;)
She's, semi-well-armed and armored better than most ships her size. Best of all, as light or lighter than most competing designs, and has remarkable survivability for her small size. She can be built on a budget if necessitated by 'unforeseen demands' to replace capital ship losses. The greatest weight-saving feature is the lack of an upper belt, instead replaced with armored areas covering only parts of the barbettes that extend above the main belt. This allows for weight to be included for many miscellaneous demands.



Enter ship name, Enter country Enter ship type laid down 1911 (Engine 1909)

Displacement:
   16,000 t light; 16,779 t standard; 18,028 t normal; 19,027 t full load

Dimensions: Length overall / water x beam x draught
   557.00 ft / 550.00 ft x 86.00 ft x 26.50 ft (normal load)
   169.77 m / 167.64 m x 26.21 m  x 8.08 m

Armament:
      8 - 12.00" / 305 mm guns (4x2 guns), 800.00lbs / 362.87kg shells, 1911 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread, 1 raised mount aft - superfiring
      12 - 5.50" / 140 mm guns in single mounts, 75.00lbs / 34.02kg shells, 1911 Model
     Breech loading guns in casemate mounts
     on side, all amidships
     12 guns in hull casemates - Limited use in all but light seas
      8 - 2.25" / 57.2 mm guns in single mounts, 5.00lbs / 2.27kg shells, 1911 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      16 - 1.00" / 25.4 mm guns (8x2 guns), 0.50lbs / 0.23kg shells, 1911 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 7,348 lbs / 3,333 kg
   Shells per gun, main battery: 100

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   9.00" / 229 mm   390.00 ft / 118.87 m   14.00 ft / 4.27 m
   Ends:   4.00" / 102 mm   160.00 ft / 48.77 m   14.00 ft / 4.27 m
   Upper:   9.00" / 229 mm     90.00 ft / 27.43 m   8.25 ft / 2.51 m
     Main Belt covers 109 % of normal length

   - Torpedo Bulkhead:
      1.00" / 25 mm   390.00 ft / 118.87 m   30.00 ft / 9.14 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   10.0" / 254 mm   4.00" / 102 mm      8.00" / 203 mm
   2nd:   4.00" / 102 mm   4.00" / 102 mm      4.00" / 102 mm
   3rd:   0.25" / 6 mm         -               -

   - Armour deck: 2.00" / 51 mm, Conning tower: 10.00" / 254 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 48,000 shp / 35,808 Kw = 24.82 kts
   Range 6,000nm at 12.36 kts
   Bunker at max displacement = 2,248 tons

Complement:
   777 - 1,011

Cost:
   £1.702 million / $6.807 million

Distribution of weights at normal displacement:
   Armament: 995 tons, 5.5 %
   Armour: 5,871 tons, 32.6 %
      - Belts: 2,894 tons, 16.1 %
      - Torpedo bulkhead: 433 tons, 2.4 %
      - Armament: 1,227 tons, 6.8 %
      - Armour Deck: 1,170 tons, 6.5 %
      - Conning Tower: 148 tons, 0.8 %
   Machinery: 2,182 tons, 12.1 %
   Hull, fittings & equipment: 6,601 tons, 36.6 %
   Fuel, ammunition & stores: 2,028 tons, 11.3 %
   Miscellaneous weights: 350 tons, 1.9 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     20,546 lbs / 9,319 Kg = 23.8 x 12.0 " / 305 mm shells or 3.6 torpedoes
   Stability (Unstable if below 1.00): 1.06
   Metacentric height 4.5 ft / 1.4 m
   Roll period: 17.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.49
   Seaboat quality  (Average = 1.00): 1.07

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.503
   Length to Beam Ratio: 6.40 : 1
   'Natural speed' for length: 23.45 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 4.96 degrees
   Stern overhang: 5.00 ft / 1.52 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      23.00 ft / 7.01 m
      - Forecastle (15 %):   19.00 ft / 5.79 m
      - Mid (70 %):      18.00 ft / 5.49 m (10.00 ft / 3.05 m aft of break)
      - Quarterdeck (15 %):   10.00 ft / 3.05 m
      - Stern:      10.00 ft / 3.05 m
      - Average freeboard:   16.27 ft / 4.96 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 108.0 %
      - Above water (accommodation/working, high = better): 129.3 %
   Waterplane Area: 31,613 Square feet or 2,937 Square metres
   Displacement factor (Displacement / loading): 97 %
   Structure weight / hull surface area: 151 lbs/sq ft or 736 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.44
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.

Korpen

Quote from: Carthaginian on January 28, 2008, 11:41:39 AM
A very Confederate Battle Cruiser... ;)
She's, semi-well-armed and armored better than most ships her size. Best of all, as light or lighter than most competing designs, and has remarkable survivability for her small size. She can be built on a budget if necessitated by 'unforeseen demands' to replace capital ship losses. The greatest weight-saving feature is the lack of an upper belt, instead replaced with armored areas covering only parts of the barbettes that extend above the main belt. This allows for weight to be included for many miscellaneous demands.

Nice one, just a tiny fault, the C-turret should be one deck lower, or rated as raised.
Card-carrying member of the Battlecruiser Fan Club.

Carthaginian

Quote from: Korpen on January 28, 2008, 12:04:34 PM
Nice one, just a tiny fault, the C-turret should be one deck lower, or rated as raised.

C turret if ahead of the midbreak, and thus doesn't need to be raised. ;)
I double-checked that before I posted.
So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.

Korpen

#35
Quote from: Carthaginian on January 28, 2008, 12:11:55 PM
Quote from: Korpen on January 28, 2008, 12:04:34 PM
Nice one, just a tiny fault, the C-turret should be one deck lower, or rated as raised.

C turret if ahead of the midbreak, and thus doesn't need to be raised. ;)
I double-checked that before I posted.
So YOU say, but that is not what the report you posted say:
Quote8 - 12.00" / 305 mm guns (4x2 guns), 800.00lbs / 362.87kg shells, 1911 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
This means that two of the turrets are behind the midbreak, and that the positioning in the picture require the turret to be raised.

Claiming superfireing from the present report is just ugly attempt at cheating.
Card-carrying member of the Battlecruiser Fan Club.

Carthaginian

#36
Quote from: Korpen on January 28, 2008, 12:53:00 PM
This means that two of the turrets are behind the midbreak, and that the positioning in the picture require the turret to be raised.

Claiming superfireing from the present report is just ugly attempt at cheating.

OK, forgive me for not knowing exactly what the system means, then.
Will be fixed momentarily... not a huge issue.

Even though I've been around a bit, I still don't know exactly what everything in SS means, particularly the nuances of the terms. I simply thought that the break in the hull represented a drop, and didn't realize that 'aft' guns had to be behind it if they were ahead of the engine rooms (ahead of the 'break' in the structure).

EDIT:Quick- Fixed, lost an inch of armor on the main belt and barbette guards, but all in all nothing that will make or break the design. I'll go back and re-figure the mid-break a bit to get the strength back, though, and the armor will reappear.

Also, learned something new about the program's terminology... a good lesson to learn.
So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.

Carthaginian

Here's a version with the mid-break moved exactly 55'7" forward, allowing C turret to be dropped to aft deck level- and keeping the armor the same, as promised. I never really gave a damn about 'superfiring' aft turrets... I wanted the stability reserve that came with a higher general freeboard. In case you haven't noticed, I've possessed 'superfiring' tech for some time, and have yet to build a ship with it.

So, I moved the mid-break, lost 0.01 stability and kept the overall 'strangeness' of the ship's look to a level I like. In fact, I actually PREFER this version, and would actually be more likely to build her this way.



Gran Bahama, Confederate States of America 1st Class Cruiser, laid down 1911 (Engine 1909)

Displacement:
   16,000 t light; 16,779 t standard; 18,029 t normal; 19,029 t full load

Dimensions: Length overall / water x beam x draught
   557.00 ft / 550.00 ft x 86.00 ft x 26.00 ft (normal load)
   169.77 m / 167.64 m x 26.21 m  x 7.92 m

Armament:
      8 - 12.00" / 305 mm guns (4x2 guns), 800.00lbs / 362.87kg shells, 1911 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      12 - 5.50" / 140 mm guns in single mounts, 75.00lbs / 34.02kg shells, 1911 Model
     Breech loading guns in casemate mounts
     on side, all amidships
     12 guns in hull casemates - Limited use in all but light seas
      8 - 2.25" / 57.2 mm guns in single mounts, 5.00lbs / 2.27kg shells, 1911 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      16 - 1.00" / 25.4 mm guns (8x2 guns), 0.50lbs / 0.23kg shells, 1911 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 7,348 lbs / 3,333 kg
   Shells per gun, main battery: 100

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   10.0" / 254 mm   390.00 ft / 118.87 m   14.00 ft / 4.27 m
   Ends:   4.00" / 102 mm   160.00 ft / 48.77 m   14.00 ft / 4.27 m
   Upper:   10.0" / 254 mm     60.00 ft / 18.29 m   8.25 ft / 2.51 m
     Main Belt covers 109 % of normal length

   - Torpedo Bulkhead:
      1.00" / 25 mm   390.00 ft / 118.87 m   30.00 ft / 9.14 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   10.0" / 254 mm   4.00" / 102 mm      8.00" / 203 mm
   2nd:   4.00" / 102 mm   4.00" / 102 mm      4.00" / 102 mm
   3rd:   0.25" / 6 mm         -               -

   - Armour deck: 2.00" / 51 mm, Conning tower: 10.00" / 254 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 48,000 shp / 35,808 Kw = 24.79 kts
   Range 6,000nm at 12.35 kts
   Bunker at max displacement = 2,250 tons

Complement:
   777 - 1,011

Cost:
   £1.702 million / $6.807 million

Distribution of weights at normal displacement:
   Armament: 995 tons, 5.5 %
   Armour: 6,039 tons, 33.5 %
      - Belts: 3,094 tons, 17.2 %
      - Torpedo bulkhead: 433 tons, 2.4 %
      - Armament: 1,184 tons, 6.6 %
      - Armour Deck: 1,180 tons, 6.5 %
      - Conning Tower: 148 tons, 0.8 %
   Machinery: 2,182 tons, 12.1 %
   Hull, fittings & equipment: 6,308 tons, 35.0 %
   Fuel, ammunition & stores: 2,029 tons, 11.3 %
   Miscellaneous weights: 475 tons, 2.6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     19,972 lbs / 9,059 Kg = 23.1 x 12.0 " / 305 mm shells or 3.5 torpedoes
   Stability (Unstable if below 1.00): 1.09
   Metacentric height 4.7 ft / 1.4 m
   Roll period: 16.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.41
   Seaboat quality  (Average = 1.00): 1.04

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.513
   Length to Beam Ratio: 6.40 : 1
   'Natural speed' for length: 23.45 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 4.96 degrees
   Stern overhang: 5.00 ft / 1.52 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      23.00 ft / 7.01 m
      - Forecastle (15 %):   19.00 ft / 5.79 m
      - Mid (60 %):      18.00 ft / 5.49 m (10.00 ft / 3.05 m aft of break)
      - Quarterdeck (15 %):   10.00 ft / 3.05 m
      - Stern:      10.00 ft / 3.05 m
      - Average freeboard:   15.42 ft / 4.70 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 109.0 %
      - Above water (accommodation/working, high = better): 120.9 %
   Waterplane Area: 31,895 Square feet or 2,963 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 145 lbs/sq ft or 708 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.32
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.

P3D

A question on the main armor belt. Does it reach up to the quarterdeck? In that case 4' armor below waterline is a bit shallow. Or there's a few feet of freeboard left without armor?
The first purpose of a warship is to remain afloat. Anon.
Below 40 degrees, there is no law. Below 50 degrees, there is no God. sailor's maxim on weather in the Southern seas

Carthaginian

Quote from: P3D on January 29, 2008, 01:17:20 AM
A question on the main armor belt. Does it reach up to the quarterdeck? In that case 4' armor below waterline is a bit shallow. Or there's a few feet of freeboard left without armor?

Yes, it does reach up to the quarterdeck, and yes, it is too short, I guess... I'm used to dealing with far slower ships, and thus not needing deeper armor belts to deal with the wave interaction. How much deeper? 6' below the waterline?
So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.

Tanthalas

I generaly go 8' above and 8' below, then again I have the monster uper belt to.
"He either fears his fate too much,
Or his desserts are small,
Who dares not put it to the touch,
To win or lose it all!"

James Graham, 5th Earl of Montrose
1612 to 1650
Royalist General during the English Civil War

P3D

6' below at Normal displacement should be enough. It was in the range of 5-7' for WWI ships, looking at the different cross-sectional drawings.
The first purpose of a warship is to remain afloat. Anon.
Below 40 degrees, there is no law. Below 50 degrees, there is no God. sailor's maxim on weather in the Southern seas

Carthaginian

#42
*sorry about the drawing, I'm not sure how to draw a support ship*

Nearing completion in a rater forgotten dry dock in Galveston, Texas, the Ingals is designed to be a Type 0 port in and of herself, and carries the necessary equipment to carry out far more demanding duties if located at a large port facility. Not so glamorous as the warships being constructed by the Confederate Navy, the Ingals is no less necessary. Her most defining feature is the huge 250 ton crane located amidships- this monster can lift some torpedo boats from the water entirely. Surrounding the crane are huge oil tanks, carrying 6500 tns of fuel oil. Additionally, the Ingals mounts a pair of long-range Marconi and enough office space that a flotilla command can embark, making her a fully independent duty station in and of herself.



Ingals, Confederate States of America Fleet Tender laid down 1910 (Engine 1909)

Displacement:
   8,700 t light; 9,067 t standard; 15,580 t normal; 20,790 t full load

Dimensions: Length overall / water x beam x draught
   550.00 ft / 540.00 ft x 70.00 ft (Bulges 90.00 ft) x 24.00 ft (normal load)
   167.64 m / 164.59 m x 21.34 m (Bulges 27.43 m)  x 7.32 m

Armament:
      3 - 4.50" / 114 mm guns in single mounts, 50.00lbs / 22.68kg shells, 1910 Model
     Breech loading guns in deck mounts
     on centreline ends, majority aft, all raised mounts - superfiring
      4 - 4.50" / 114 mm guns in single mounts, 50.00lbs / 22.68kg shells, 1910 Model
     Breech loading guns in deck mounts
     on side ends, evenly spread, 2 raised mounts - superfiring
      10 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1910 Model
     Machine guns in deck mounts
     on side, evenly spread, 4 raised mounts
   Weight of broadside 355 lbs / 161 kg
   Shells per gun, main battery: 250

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.50" / 13 mm         -               -
   2nd:   0.50" / 13 mm         -               -

   - Armour deck: 2.00" / 51 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 20,000 shp / 14,920 Kw = 20.20 kts
   Range 55,000nm at 10.20 kts
   Bunker at max displacement = 11,723 tons

Complement:
   696 - 906

Cost:
   £0.466 million / $1.863 million

Distribution of weights at normal displacement:
   Armament: 40 tons, 0.3 %
   Armour: 914 tons, 5.9 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 9 tons, 0.1 %
      - Armour Deck: 905 tons, 5.8 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 909 tons, 5.8 %
   Hull, fittings & equipment: 3,961 tons, 25.4 %
   Fuel, ammunition & stores: 6,880 tons, 44.2 %
   Miscellaneous weights: 2,875 tons, 18.5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     40,434 lbs / 18,341 Kg = 887.4 x 4.5 " / 114 mm shells or 6.1 torpedoes
   Stability (Unstable if below 1.00): 1.66
   Metacentric height 6.8 ft / 2.1 m
   Roll period: 14.5 seconds
   Steadiness   - As gun platform (Average = 50 %): 51 %
         - Recoil effect (Restricted arc if above 1.00): 0.01
   Seaboat quality  (Average = 1.00): 1.95

Hull form characteristics:
   Hull has raised forecastle, raised quarterdeck
   Block coefficient: 0.468
   Length to Beam Ratio: 6.00 : 1
   'Natural speed' for length: 23.24 kts
   Power going to wave formation at top speed: 40 %
   Trim (Max stability = 0, Max steadiness = 100): 26
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 10.00 ft / 3.05 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      26.00 ft / 7.92 m
      - Forecastle (20 %):   24.00 ft / 7.32 m (16.00 ft / 4.88 m aft of break)
      - Mid (50 %):      16.00 ft / 4.88 m
      - Quarterdeck (15 %):   24.00 ft / 7.32 m (16.00 ft / 4.88 m before break)
      - Stern:      24.00 ft / 7.32 m
      - Average freeboard:   18.96 ft / 5.78 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 42.5 %
      - Above water (accommodation/working, high = better): 107.1 %
   Waterplane Area: 24,469 Square feet or 2,273 Square metres
   Displacement factor (Displacement / loading): 263 %
   Structure weight / hull surface area: 99 lbs/sq ft or 483 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.37
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is adequate
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

     20t - 4 x motor launches (5t each)
     25t - Marconi
     25t - Marconi
1000t - Heavy Lift Crane (250t lift)
  500t - Spare Parts (assorted)
  805t - Structural Steel
  500t - Extra Bearthing Space
So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.

P3D

Dunno about the crane weight. I'd say less than 1000t - do you know how much it weighed on Kearsarge?


The first purpose of a warship is to remain afloat. Anon.
Below 40 degrees, there is no law. Below 50 degrees, there is no God. sailor's maxim on weather in the Southern seas

Carthaginian

N0, I really, don't. I erred on the side of EXTREME caution, what with it looking like a revolving building and all... LOL. 500t with all the reenforcement might be more reasonable. I reserve the right to change it when I do find out, but at least this way, I know there's ENOUGH weight there to account for it.
So 'ere's to you, Fuzzy-Wuzzy, at your 'ome in old Baghdad;
You're a pore benighted 'eathen but a first-class fightin' man;
We gives you your certificate, an' if you want it signed
We'll come an' 'ave a romp with you whenever you're inclined.